US7234955B1 - Electric connector for releasably attaching a chip module - Google Patents

Electric connector for releasably attaching a chip module Download PDF

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Publication number
US7234955B1
US7234955B1 US11/349,228 US34922806A US7234955B1 US 7234955 B1 US7234955 B1 US 7234955B1 US 34922806 A US34922806 A US 34922806A US 7234955 B1 US7234955 B1 US 7234955B1
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United States
Prior art keywords
electric connector
main body
retaining
chip module
conducting terminals
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
US11/349,228
Inventor
Chien-Chih Ho
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lotes Co Ltd
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Lotes Co Ltd
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Publication date
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Priority to US11/349,228 priority Critical patent/US7234955B1/en
Assigned to LOTES CO., LTD. reassignment LOTES CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HO, CHIEN-CHIH
Application granted granted Critical
Publication of US7234955B1 publication Critical patent/US7234955B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/7005—Guiding, mounting, polarizing or locking means; Extractors
    • H01R12/7011—Locking or fixing a connector to a PCB
    • H01R12/7047—Locking or fixing a connector to a PCB with a fastener through a screw hole in the coupling device
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/02—Arrangements of circuit components or wiring on supporting structure
    • H05K7/10—Plug-in assemblages of components, e.g. IC sockets
    • H05K7/1053—Plug-in assemblages of components, e.g. IC sockets having interior leads

Definitions

  • the present invention relates to electric connectors, more particularly to an electric connector connecting a chip module to a circuit board.
  • An electric connector of the prior art for connecting the chip module to a circuit board comprises a main body, a mount for housing the main body, a pair of clipping plates pivotally mounted on two sides of the man body and a rotary stick.
  • the moan body further includes a terminal receptacle that houses a terminal for electric conduction and a retaining piece higher than the terminal receptacle.
  • the middle parts on two opposite inner rims of the through hole are each provided with an inwardly extended support piece, whereby a central processing unit of the chip module disposed within the electric connector can be driven to electrically connect the electrodes on a circuit board.
  • the rotary stick can be locked on a retaining portion of the mount, so that the electric connection can be secured.
  • the conventional electric connector has the disadvantage that the chip module is hard to take out, which influences the efficiency of a worker.
  • the primary objective of the present invention is to provide an electric connector from which the chip module, such as a central processing unit, can be taken out easily.
  • an electric connector of the present invention for attaching a chip module onto a circuit board comprises an insulating main body and a plurality of conducting terminals whose one end housed in a terminal receptacle of the insulating main body.
  • the outer rim of the terminal receptacle is further provided with retaining piece higher than the terminal receptacle.
  • the ends of the conducting terminals have a tip portion extended out of the terminal receptacle and folded to form conducting terminals for contacting the chip module electrically.
  • the insulating main body further comprises a depressed portion for taking out the chip module.
  • the two opposite lateral sides of the electric connector of the present invention are each provided with a sloped surface, thereby facilitating retrieving the chip module.
  • FIG. 1 is a perspective view of an electric connector of the present invention.
  • FIG. 2 is an exploded perspective view of the electric connector in FIG. 1 .
  • FIG. 3 is another exploded perspective view of the electric connector in FIG. 1 wherein the conducting terminals are absent.
  • FIG. 4 is a perspective view of the insulating main body of the electric connector in FIG. 1 .
  • FIG. 5 is a side view of the insulating main body of the electric connector in FIG. 1 wherein the conducting terminals are shown.
  • an electric connector according to the present invention for attaching a chip module onto a circuit board comprises an insulting main body 1 , a plurality of conducting terminals 2 , a clipping board 3 and a driving stick 4 .
  • the clipping board 3 is pivotally connected to the insulting main body 1 by a pair of first retaining pieces 5
  • the driving stick 4 is pivotally connected to the insulting main body 1 by a pair of second retaining pieces 6 .
  • the insulting main body 1 further includes a set of terminal receptacles 11 , a plurality of retaining projections 12 and at least one depressed portion 13 the facilitates the removal of a chip module form the electric connector.
  • the depressed portion 13 is located on a lateral side of the insulting main body 1 .
  • the inner surface of either one of the depressed portions 13 is sloped (it can also be a flat plane).
  • first receptacle grooves 14 for retaining the first retaining pieces 5 and a pair of second receptacle grooves 15 for retaining second retaining pieces 6 .
  • second receptacle grooves 15 for retaining second retaining pieces 6 .
  • stick locks 17 adjacent to the second receptacle grooves 15 for pivotally retaining the driving stick 4 .
  • the conducting terminals 2 are housed within the terminal receptacles 11 , with their free ends extended out of the terminal receptacles 11 and folded to form contact ends 21 so as to electrically connected to a chip module. However, the highest point of the contact ends 21 is still lower than the upper surfaces of the retaining projections 12 .
  • the central portion of the clipping board 3 is provided with a central opening 31 with a pair of press portions 32 extended from the inner rim of the clipping board 3 inwardly, whereby the press portions 32 will press against a chip module when it is confined by the clipping board 3 .
  • the clipping board 3 further includes a pair of pivotally connected pieces 33 each with an inwardly curved surface.
  • Each of the first retaining pieces 5 comprises a first retaining section 51 and a vertical section 52 extended from the first retaining section 51 and folded upright with a receptacle hole 53 for receiving a corresponding one of the pivotally connected pieces 33 of the clipping board 3 , whereby the clipping board 3 will be pivotally connected to the insulting main body 1 .
  • Each of the second retaining pieces 6 comprises a second retaining section 61 and a pressing section 62 extended from the second retaining section 61 and folded upright and then opposite to the second retaining section 61 .
  • the driving stick 4 is disposed beneath the pressing sections 62 .

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

An electric connector for attaching a chip module onto a circuit board comprises a main body and a pressing structure pivotally mounted on two lateral sides of the main body for confining a chip module within the main body. The main body further comprises an insulating body and a plurality of conducting terminals, wherein the insulating body includes a plurality of receptacles for the conducting terminals and a plurality of retaining projections slightly higher than the conducting tips of the conducting terminals extended from the receptacles. There are at least two depressed sections, each provided with a sloppy surface, respectively along two opposite sides of the body for facilitating the removal of a chip module from the electric connector.

Description

CROSS-REFERENCE TO RELATED APPLICATION
This application is related to currently pending U.S. patent application Ser. No. 11/352,203, filed Feb. 13, 2006.
BACKGROUND OF THE INVENTION
(a) Field of the Invention
The present invention relates to electric connectors, more particularly to an electric connector connecting a chip module to a circuit board.
(b) Description of the Prior Art
Following the fast development of electronic technologies, the LGA type chip module is more and more commonly used. An electric connector of the prior art for connecting the chip module to a circuit board comprises a main body, a mount for housing the main body, a pair of clipping plates pivotally mounted on two sides of the man body and a rotary stick. The moan body further includes a terminal receptacle that houses a terminal for electric conduction and a retaining piece higher than the terminal receptacle. There is a through hole between the clipping plates when they are closed. The middle parts on two opposite inner rims of the through hole are each provided with an inwardly extended support piece, whereby a central processing unit of the chip module disposed within the electric connector can be driven to electrically connect the electrodes on a circuit board. The rotary stick can be locked on a retaining portion of the mount, so that the electric connection can be secured. However, the conventional electric connector has the disadvantage that the chip module is hard to take out, which influences the efficiency of a worker.
Therefore, it is necessary to invent a new electric connector that overcomes the above disadvantage.
SUMMARY OF THE INVENTION
Accordingly, the primary objective of the present invention is to provide an electric connector from which the chip module, such as a central processing unit, can be taken out easily.
To achieve the above objective, an electric connector of the present invention for attaching a chip module onto a circuit board comprises an insulating main body and a plurality of conducting terminals whose one end housed in a terminal receptacle of the insulating main body. The outer rim of the terminal receptacle is further provided with retaining piece higher than the terminal receptacle. The ends of the conducting terminals have a tip portion extended out of the terminal receptacle and folded to form conducting terminals for contacting the chip module electrically. The insulating main body further comprises a depressed portion for taking out the chip module.
Compared with the current technology, the two opposite lateral sides of the electric connector of the present invention are each provided with a sloped surface, thereby facilitating retrieving the chip module.
The various objects and advantages of the present invention will be more readily understood from the following detailed description when read in conjunction with the appended drawings.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a perspective view of an electric connector of the present invention.
FIG. 2 is an exploded perspective view of the electric connector in FIG. 1.
FIG. 3 is another exploded perspective view of the electric connector in FIG. 1 wherein the conducting terminals are absent.
FIG. 4 is a perspective view of the insulating main body of the electric connector in FIG. 1.
FIG. 5 is a side view of the insulating main body of the electric connector in FIG. 1 wherein the conducting terminals are shown.
 DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
Referring to FIGS. 1 to 5, an electric connector according to the present invention for attaching a chip module onto a circuit board comprises an insulting main body 1, a plurality of conducting terminals 2, a clipping board 3 and a driving stick 4. The clipping board 3 is pivotally connected to the insulting main body 1 by a pair of first retaining pieces 5, and the driving stick 4 is pivotally connected to the insulting main body 1 by a pair of second retaining pieces 6.
The insulting main body 1 further includes a set of terminal receptacles 11, a plurality of retaining projections 12 and at least one depressed portion 13 the facilitates the removal of a chip module form the electric connector. The depressed portion 13 is located on a lateral side of the insulting main body 1. In this preferred embodiment, there are two depressed portions 13 respectively located at the middle sections on two opposite sides of the insulting main body 1, whereby the depressed portions 13 will be located under the rim of the chip module. Further, the inner surface of either one of the depressed portions 13 is sloped (it can also be a flat plane). There are a pair of first receptacle grooves 14 for retaining the first retaining pieces 5 and a pair of second receptacle grooves 15 for retaining second retaining pieces 6. There are further a pair of stick locks 17 adjacent to the second receptacle grooves 15 for pivotally retaining the driving stick 4.
The conducting terminals 2 are housed within the terminal receptacles 11, with their free ends extended out of the terminal receptacles 11 and folded to form contact ends 21 so as to electrically connected to a chip module. However, the highest point of the contact ends 21 is still lower than the upper surfaces of the retaining projections 12.
The central portion of the clipping board 3 is provided with a central opening 31 with a pair of press portions 32 extended from the inner rim of the clipping board 3 inwardly, whereby the press portions 32 will press against a chip module when it is confined by the clipping board 3. The clipping board 3 further includes a pair of pivotally connected pieces 33 each with an inwardly curved surface.
Each of the first retaining pieces 5 comprises a first retaining section 51 and a vertical section 52 extended from the first retaining section 51 and folded upright with a receptacle hole 53 for receiving a corresponding one of the pivotally connected pieces 33 of the clipping board 3, whereby the clipping board 3 will be pivotally connected to the insulting main body 1. Each of the second retaining pieces 6 comprises a second retaining section 61 and a pressing section 62 extended from the second retaining section 61 and folded upright and then opposite to the second retaining section 61. The driving stick 4 is disposed beneath the pressing sections 62.
To remove a chip module within the electric connector, first open the clipping board 3 and then hold the edge of the chip module at the sloped surfaces of the depressed portions 13. The removal is therefore easy and will protect the conducting terminals.
The present invention is thus described, and it will be obvious that the same may be varied in many ways. Such variations are not to be regarded as a departure from the spirit and scope of the present invention, and all such modifications as would be obvious to one skilled in the art are intended to be included within the scope of the following claims.

Claims (8)

1. An electric connector for attaching a chip module onto a circuit board, comprising:
a main body further comprising an insulating body and a plurality of conducting terminals, said insulating body including a plurality of receptacles for said conducting terminals and a plurality of retaining projections slightly higher than conducting tips of said conducting terminals extended from said receptacles, at least two depressed sections being further provided respectively along two opposite sides of said insulating body; and
a pressing structure for confining a chip module within said main body, wherein a clipping board is pivotally connected to said insulating main body through at least two, separately formed, first retaining pieces; each of said at least two first retaining pieces comprising a horizontal first retaining section having a securing hole into which a fastener is received thereby attaching each of said first retaining pieces onto said main body which is then attached onto the circuit board, each of the first retaining pieces further comprising a vertical section extended from said first retaining section and folded upright with a receptacle hole for receiving a corresponding one of said pivotally connected pieces of said clipping board.
2. The electric connector of claim 1 wherein a main inner surface of each of said depressed portions is a sloped surface tilted outward.
3. The electric connector of claim 1 wherein the highest point of each of said depressed portions is located between an upper surface and a lower surface of said chip module.
4. The electric connector of claim 1 wherein said depressed portions are located under a lateral boundary of said chip module.
5. The electric connector of claim 1 wherein said depressed portions respectively located at middle sections on two opposite sides of said insulting main body.
6. The electric connector of claim 1 wherein free ends of said conducting terminals are lower than the highest point of said retaining projections.
7. The electric connector of claim 1 wherein said pressing structure comprises a clipping board pivotally connected to two opposite sides of said main body and a driving stick.
8. The electric connector of claim 7 wherein said driving stick is pivotally connected to said insulating main body by passing through said second retaining pieces; each of said second retaining pieces further including a second retaining section and a pressing section extended from said second retaining section and folded upright and then opposite to said second retaining section; said driving stick being disposed beneath said pressing sections.
US11/349,228 2006-02-08 2006-02-08 Electric connector for releasably attaching a chip module Expired - Fee Related US7234955B1 (en)

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080032555A1 (en) * 2006-08-03 2008-02-07 Lotes Co., Ltd. Electrical connector assembly
US20080124955A1 (en) * 2006-11-24 2008-05-29 Hon Hai Precision Ind. Co., Ltd. Electrical connector with improved stiffener
US20090170350A1 (en) * 2007-12-29 2009-07-02 Hon Hai Precision Ind. Co., Ltd Electrical connector
US20090176397A1 (en) * 2008-01-05 2009-07-09 Hon Hai Precision Ind. Co., Ltd. Electrical connector having improved load plate
USD596124S1 (en) * 2008-05-12 2009-07-14 Hon Hai Precision Ind. Co., Ltd. Electrical connector
US20090191745A1 (en) * 2008-01-28 2009-07-30 Hon Hai Precision Ind. Co., Ltd. Electrical Connector with retaining seats for securing a load lever
US20090191744A1 (en) * 2008-01-28 2009-07-30 Hon Hai Precision Ind. Co., Ltd. Electrical connector with improved package retention device
US20090264005A1 (en) * 2008-04-21 2009-10-22 Hon Hai Precision Ind.Co., Ltd. Socket connector assembly having lock-down indicator preventing overstressing
US20100015837A1 (en) * 2008-07-21 2010-01-21 Hon Hai Precision Industry Co., Ltd. Electrical connecotr having stiffener with elastic latches
US20100130048A1 (en) * 2008-11-25 2010-05-27 Hon Hai Precision Industry Co., Ltd. Socket connector with load plate having locking tabs engaged with stiffener
US20120289075A1 (en) * 2011-05-10 2012-11-15 Hon Hai Precision Industry Co., Ltd. Individual loading mechanism with simplified locking arrangement
US20130322037A1 (en) * 2011-02-28 2013-12-05 Chong S. Tan Spring loaded lid
US20140009907A1 (en) * 2012-07-04 2014-01-09 Shenzhen China Star Optoelectronics Technology Co. Ltd. Backlight Module, Connecting Element and Disassembly Method Thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040266249A1 (en) * 2003-06-30 2004-12-30 Dobbs Robert William Pivot component coupled with first circuit board for control of relative alignment of first circuit board connection component with second circuit board connection component
US6991474B1 (en) * 2005-01-18 2006-01-31 Ted Ju Electrical connector
US20060105609A1 (en) * 2004-11-12 2006-05-18 Hon Hai Precision Ind. Co., Ltd. LGA socket connector having guiding means

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040266249A1 (en) * 2003-06-30 2004-12-30 Dobbs Robert William Pivot component coupled with first circuit board for control of relative alignment of first circuit board connection component with second circuit board connection component
US20060105609A1 (en) * 2004-11-12 2006-05-18 Hon Hai Precision Ind. Co., Ltd. LGA socket connector having guiding means
US6991474B1 (en) * 2005-01-18 2006-01-31 Ted Ju Electrical connector

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080032555A1 (en) * 2006-08-03 2008-02-07 Lotes Co., Ltd. Electrical connector assembly
US20080124955A1 (en) * 2006-11-24 2008-05-29 Hon Hai Precision Ind. Co., Ltd. Electrical connector with improved stiffener
US7815453B2 (en) 2006-11-24 2010-10-19 Hon Hai Precision Ind. Co., Ltd. Electrical connector with improved stiffener
US20090170350A1 (en) * 2007-12-29 2009-07-02 Hon Hai Precision Ind. Co., Ltd Electrical connector
US7771223B2 (en) 2007-12-29 2010-08-10 Hon Hai Precision Ind. Co., Ltd. Electrical connector
US20090176397A1 (en) * 2008-01-05 2009-07-09 Hon Hai Precision Ind. Co., Ltd. Electrical connector having improved load plate
US7666022B2 (en) 2008-01-05 2010-02-23 Hon Hai Precision Ind. Co., Ltd. Electrical connector having improved load plate
US20090191745A1 (en) * 2008-01-28 2009-07-30 Hon Hai Precision Ind. Co., Ltd. Electrical Connector with retaining seats for securing a load lever
US20090191744A1 (en) * 2008-01-28 2009-07-30 Hon Hai Precision Ind. Co., Ltd. Electrical connector with improved package retention device
US7628634B2 (en) * 2008-01-28 2009-12-08 Hon Hai Precision Ind. Co., Ltd Electrical connector with improved package retention device
US7717731B2 (en) 2008-01-28 2010-05-18 Hon Hai Precision Ind. Co., Ltd Electrical connector with retaining seats for securing a load lever
US7708585B2 (en) * 2008-04-21 2010-05-04 Hon Hai Precision Ind. Co., Ltd. Socket connector assembly having lock-down indicator preventing overstressing
US20090264005A1 (en) * 2008-04-21 2009-10-22 Hon Hai Precision Ind.Co., Ltd. Socket connector assembly having lock-down indicator preventing overstressing
USD596124S1 (en) * 2008-05-12 2009-07-14 Hon Hai Precision Ind. Co., Ltd. Electrical connector
US7677912B2 (en) * 2008-07-21 2010-03-16 Hon Hai Precision Ind. Co., Ltd. Electrical connector having stiffener with elastic latches
US20100015837A1 (en) * 2008-07-21 2010-01-21 Hon Hai Precision Industry Co., Ltd. Electrical connecotr having stiffener with elastic latches
US20100130048A1 (en) * 2008-11-25 2010-05-27 Hon Hai Precision Industry Co., Ltd. Socket connector with load plate having locking tabs engaged with stiffener
US7845964B2 (en) * 2008-11-25 2010-12-07 Hon Hai Precision Ind. Co., Ltd. Socket connector with load plate having locking tabs engaged with stiffener
US20130322037A1 (en) * 2011-02-28 2013-12-05 Chong S. Tan Spring loaded lid
US9192070B2 (en) * 2011-02-28 2015-11-17 Hewlett-Packard Development Company, L.P. Spring loaded lid
US20120289075A1 (en) * 2011-05-10 2012-11-15 Hon Hai Precision Industry Co., Ltd. Individual loading mechanism with simplified locking arrangement
US8500477B2 (en) * 2011-05-10 2013-08-06 Hon Hai Precision Industry Co., Ltd. Individual loading mechanism with simplified locking arrangement
US20140009907A1 (en) * 2012-07-04 2014-01-09 Shenzhen China Star Optoelectronics Technology Co. Ltd. Backlight Module, Connecting Element and Disassembly Method Thereof
US8702261B2 (en) * 2012-07-04 2014-04-22 Shenzhen China Star Optoelectronics Technology Co., Ltd Backlight module, connecting element and disassembly method thereof

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Owner name: LOTES CO., LTD., TAIWAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:HO, CHIEN-CHIH;REEL/FRAME:017551/0075

Effective date: 20060106

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STCH Information on status: patent discontinuation

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FP Lapsed due to failure to pay maintenance fee

Effective date: 20150626